DE897776C - Clamping sleeve for clamping and loosening a roller bearing ring through a ring nut protruding over the bearing housing - Google Patents

Description

To clamp rolling bearing rings on the shafts, conical adapter sleeves with ring nuts built into the bearing housing have so far been used, the construction of which is assumed to be generally known. A fortified in this way Wälzlagerrin g may consist of a one-piece Lagergehäusenur * be very difficult expanded again. For this purpose, you must first unscrew the housing cover, remove the grease filling from the bearing housing, unscrew the ring nut from the adapter sleeve, whereupon you have to drive off the roller bearing ring clamped on the adapter sleeve from the inside of the housing, in order to then pull the bearing housing off the shaft to be able to. When installing, the same cumbersome work must be repeated in reverse order, which makes it even more difficult that the roller bearing ring shifts sideways when it is unclamped on the conical sleeve and thus comes to sit in a different position each time. In machines, such as roller mills for mills, where such fit an-schlager (side bearings) have to be continuously removed and installed for the purpose of removing and fluting the rollers, this procedure was impossible for untrained workers to carry out, and it therefore had to be carried out by the Application of the roller bearing has been refrained from so far.

The invention overcomes all of these deficiencies and now enables Use of roller bearings also in such machines, where lightest and most reliable Installation and removal is required.

The invention consists in that with a newly designed adapter sleeve, which protrudes with the ring nut over the bearing housing, the rolling bearing ring, through Turn this ring nut clamped and turn it in the opposite direction again loosened = n can.

The advantages of the invention are based on the simplification when and expansion of rolling bearings compared to the previously existing designs. They are based Make sure that the rolling bearing ring, adapter sleeve and grease filling when adding and removing of the shaft remain in the closed bearing housing, so that the construction Idas complete Bearings on, the shaft pushed -and the rolling bearing ring by rotating the over the bearing housing protruding ring nut is clamped, # that furthermore when dismantling by turning, the ring nut protruding over the bearing housing of the rolling bearing ring 'loosened and the complete bearing can easily be pulled off the shaft that the rolling bearing ring when clamping there is no lateral shift and therefore exactly at the previous one to sit certain-en place, and that at any time a retensioning of the rolling bearing ring outside of the bearing housing is possible - and the tight fit & always controllable is. In the drawing, the invention is shown as an example.

The roller bearing ring to be clamped sits on the sleeve a with a precise fit and is secured against lateral displacement by # d # = n ring b and a spring ring c. To a firm contact. the sleeve aa: n to enable the inner roller bearing ring, the same is slotted from i to 2 several times in the longitudinal direction. On the sleeve d, which protrudes over the bearing housing, the sleeve e is pushed over and secured against rotation to one another by the inserted wedge f. The sleeves d and e have left and right-hand threads cut open at the outer end, as does the ring nut g. which has milled out a hexagon on the outer side for the screw socket wrench above the bearing housing. By turning the ring nut g , the sleeve end and e move in the opposite axial direction and thereby pull the two conical sleeve parts 3, 4 towards one another, whereby the roller bearing ring is clamped. By turning the ring nut g in the opposite direction, the two conical sleeve parts 3, 4 are pushed apart in the axial direction, with the result that the rolling bearing ring is loosened. So that the conical sleeve parts 3, 4 can enlarge or reduce in the radial direction, they are slotted in the axial direction from 5 to 6 and 7 to 8.

Claims (4)

PATENT CLAIMS: i. Clamping sleeve for clamping and loosening a Rolling bearing ring -by a ring nut protruding over the bearing housing, thereby gekennzeianet that by turning the ring nut protruding over the bearing housing the roller bearing ring is glued and loosened again by turning in the opposite direction can be. : 2. Clamping sleeve according to claim i, characterized in that the roller bearing ring is clamped and loosened by a ring nut outside the bearing housing and, as a result, there is no opening in the bearing housing during assembly and dismantling. 3. Clamping sleeve # according to claim i, characterized in that the roller bearing ring cannot be clamped when clamping, lateral displacement mitinacht and at a precisely defined point. 4. Clamping sleeve according to claim i, characterized in that that the rolling bearing ring is re-tensioned and opened at any time outside of the bearing housing The tightness can be controlled without opening the bearing housing.